LAPACK 3.11.0
LAPACK: Linear Algebra PACKage
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lapacke_cgbbrd_work.c
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1/*****************************************************************************
2 Copyright (c) 2014, Intel Corp.
3 All rights reserved.
4
5 Redistribution and use in source and binary forms, with or without
6 modification, are permitted provided that the following conditions are met:
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8 * Redistributions of source code must retain the above copyright notice,
9 this list of conditions and the following disclaimer.
10 * Redistributions in binary form must reproduce the above copyright
11 notice, this list of conditions and the following disclaimer in the
12 documentation and/or other materials provided with the distribution.
13 * Neither the name of Intel Corporation nor the names of its contributors
14 may be used to endorse or promote products derived from this software
15 without specific prior written permission.
16
17 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
18 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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25 CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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28*****************************************************************************
29* Contents: Native middle-level C interface to LAPACK function cgbbrd
30* Author: Intel Corporation
31*****************************************************************************/
32
33#include "lapacke_utils.h"
34
35lapack_int LAPACKE_cgbbrd_work( int matrix_layout, char vect, lapack_int m,
38 lapack_int ldab, float* d, float* e,
42 lapack_complex_float* work, float* rwork )
43{
44 lapack_int info = 0;
45 if( matrix_layout == LAPACK_COL_MAJOR ) {
46 /* Call LAPACK function and adjust info */
47 LAPACK_cgbbrd( &vect, &m, &n, &ncc, &kl, &ku, ab, &ldab, d, e, q, &ldq,
48 pt, &ldpt, c, &ldc, work, rwork, &info );
49 if( info < 0 ) {
50 info = info - 1;
51 }
52 } else if( matrix_layout == LAPACK_ROW_MAJOR ) {
53 lapack_int ldab_t = MAX(1,kl+ku+1);
54 lapack_int ldc_t = MAX(1,m);
55 lapack_int ldpt_t = MAX(1,n);
56 lapack_int ldq_t = MAX(1,m);
57 lapack_complex_float* ab_t = NULL;
58 lapack_complex_float* q_t = NULL;
59 lapack_complex_float* pt_t = NULL;
60 lapack_complex_float* c_t = NULL;
61 /* Check leading dimension(s) */
62 if( ldab < n ) {
63 info = -9;
64 LAPACKE_xerbla( "LAPACKE_cgbbrd_work", info );
65 return info;
66 }
67 if( ldc < ncc ) {
68 info = -17;
69 LAPACKE_xerbla( "LAPACKE_cgbbrd_work", info );
70 return info;
71 }
72 if( ldpt < n ) {
73 info = -15;
74 LAPACKE_xerbla( "LAPACKE_cgbbrd_work", info );
75 return info;
76 }
77 if( ldq < m ) {
78 info = -13;
79 LAPACKE_xerbla( "LAPACKE_cgbbrd_work", info );
80 return info;
81 }
82 /* Allocate memory for temporary array(s) */
83 ab_t = (lapack_complex_float*)
84 LAPACKE_malloc( sizeof(lapack_complex_float) * ldab_t * MAX(1,n) );
85 if( ab_t == NULL ) {
87 goto exit_level_0;
88 }
89 if( LAPACKE_lsame( vect, 'b' ) || LAPACKE_lsame( vect, 'q' ) ) {
92 ldq_t * MAX(1,m) );
93 if( q_t == NULL ) {
95 goto exit_level_1;
96 }
97 }
98 if( LAPACKE_lsame( vect, 'b' ) || LAPACKE_lsame( vect, 'p' ) ) {
99 pt_t = (lapack_complex_float*)
101 ldpt_t * MAX(1,n) );
102 if( pt_t == NULL ) {
104 goto exit_level_2;
105 }
106 }
107 if( ncc != 0 ) {
108 c_t = (lapack_complex_float*)
110 ldc_t * MAX(1,ncc) );
111 if( c_t == NULL ) {
113 goto exit_level_3;
114 }
115 }
116 /* Transpose input matrices */
117 LAPACKE_cgb_trans( matrix_layout, m, n, kl, ku, ab, ldab, ab_t, ldab_t );
118 if( ncc != 0 ) {
119 LAPACKE_cge_trans( matrix_layout, m, ncc, c, ldc, c_t, ldc_t );
120 }
121 /* Call LAPACK function and adjust info */
122 LAPACK_cgbbrd( &vect, &m, &n, &ncc, &kl, &ku, ab_t, &ldab_t, d, e, q_t,
123 &ldq_t, pt_t, &ldpt_t, c_t, &ldc_t, work, rwork, &info );
124 if( info < 0 ) {
125 info = info - 1;
126 }
127 /* Transpose output matrices */
128 LAPACKE_cgb_trans( LAPACK_COL_MAJOR, m, n, kl, ku, ab_t, ldab_t, ab,
129 ldab );
130 if( LAPACKE_lsame( vect, 'b' ) || LAPACKE_lsame( vect, 'q' ) ) {
131 LAPACKE_cge_trans( LAPACK_COL_MAJOR, m, m, q_t, ldq_t, q, ldq );
132 }
133 if( LAPACKE_lsame( vect, 'b' ) || LAPACKE_lsame( vect, 'p' ) ) {
134 LAPACKE_cge_trans( LAPACK_COL_MAJOR, n, n, pt_t, ldpt_t, pt, ldpt );
135 }
136 if( ncc != 0 ) {
137 LAPACKE_cge_trans( LAPACK_COL_MAJOR, m, ncc, c_t, ldc_t, c, ldc );
138 }
139 /* Release memory and exit */
140 if( ncc != 0 ) {
141 LAPACKE_free( c_t );
142 }
143exit_level_3:
144 if( LAPACKE_lsame( vect, 'b' ) || LAPACKE_lsame( vect, 'p' ) ) {
145 LAPACKE_free( pt_t );
146 }
147exit_level_2:
148 if( LAPACKE_lsame( vect, 'b' ) || LAPACKE_lsame( vect, 'q' ) ) {
149 LAPACKE_free( q_t );
150 }
151exit_level_1:
152 LAPACKE_free( ab_t );
153exit_level_0:
154 if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
155 LAPACKE_xerbla( "LAPACKE_cgbbrd_work", info );
156 }
157 } else {
158 info = -1;
159 LAPACKE_xerbla( "LAPACKE_cgbbrd_work", info );
160 }
161 return info;
162}
#define LAPACK_cgbbrd(...)
Definition: lapack.h:496
#define lapack_int
Definition: lapack.h:87
#define lapack_complex_float
Definition: lapack.h:46
#define LAPACK_COL_MAJOR
Definition: lapacke.h:53
#define LAPACKE_free(p)
Definition: lapacke.h:46
#define LAPACK_ROW_MAJOR
Definition: lapacke.h:52
#define LAPACKE_malloc(size)
Definition: lapacke.h:43
#define LAPACK_TRANSPOSE_MEMORY_ERROR
Definition: lapacke.h:56
lapack_int LAPACKE_cgbbrd_work(int matrix_layout, char vect, lapack_int m, lapack_int n, lapack_int ncc, lapack_int kl, lapack_int ku, lapack_complex_float *ab, lapack_int ldab, float *d, float *e, lapack_complex_float *q, lapack_int ldq, lapack_complex_float *pt, lapack_int ldpt, lapack_complex_float *c, lapack_int ldc, lapack_complex_float *work, float *rwork)
lapack_logical LAPACKE_lsame(char ca, char cb)
Definition: lapacke_lsame.c:35
void LAPACKE_xerbla(const char *name, lapack_int info)
void LAPACKE_cgb_trans(int matrix_layout, lapack_int m, lapack_int n, lapack_int kl, lapack_int ku, const lapack_complex_float *in, lapack_int ldin, lapack_complex_float *out, lapack_int ldout)
#define MAX(x, y)
Definition: lapacke_utils.h:46
void LAPACKE_cge_trans(int matrix_layout, lapack_int m, lapack_int n, const lapack_complex_float *in, lapack_int ldin, lapack_complex_float *out, lapack_int ldout)